<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" label-width="68px">
      <el-form-item label="套餐" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="套餐名称"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item class="search">
        <hide-search :show-search.sync="showSearch"></hide-search>
        <el-button type="primary" @click="handleQuery">搜索</el-button>
        <el-button @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <div class="table-content">
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['project:gift:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['project:gift:edit']"
          >修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['project:gift:remove']"
          >删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            plain
            icon="el-icon-refresh"
            size="mini"
            @click="handleRefreshCache"
            v-hasPermi="['project:gift:remove']"
          >刷新缓存</el-button>
        </el-col>
      </el-row>

      <el-table v-loading="loading" :data="giftList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="编号" align="center" prop="id" width="80" />
        <el-table-column label="套餐名称" align="center" prop="title" />
        <el-table-column label="商品主图" align="center" width="200">
          <template slot-scope="scope">
            <div v-if="scope.row.mainImages && scope.row.mainImages.length > 0" class="image-gallery">
              <div
                v-for="(image, index) in scope.row.mainImages.slice(0, 3)"
                :key="index"
                class="image-item-small"
                :title="image.name || `图片${index + 1}`"
              >
                <el-image
                  v-if="image.url"
                  :src="image.url"
                  :preview-src-list="scope.row.mainImages.filter(img => img.url).map(img => img.url)"
                  fit="cover"
                  class="table-image"
                >
                  <div slot="error" class="image-slot">
                    <i class="el-icon-picture-outline"></i>
                    <div>加载失败</div>
                  </div>
                </el-image>
                <div v-else class="image-slot">
                  <i class="el-icon-loading"></i>
                  <div>加载中...</div>
                </div>
                <div class="image-name-overlay">{{ image.name || `图片${index + 1}` }}</div>
              </div>
              <div v-if="scope.row.mainImages.length > 3" class="more-images">
                +{{ scope.row.mainImages.length - 3 }}
              </div>
            </div>
            <span v-else class="no-image">暂无图片</span>
          </template>
        </el-table-column>
        <el-table-column label="价格" align="center" prop="price" width="100">
          <template slot-scope="scope">
            ¥{{ scope.row.price }}
          </template>
        </el-table-column>
        <el-table-column label="划线价" align="center" prop="underlinePrice" width="100">
          <template slot-scope="scope">
            ¥{{ scope.row.underlinePrice }}
          </template>
        </el-table-column>
        <el-table-column label="单位" align="center" prop="unit" width="80" />
        <el-table-column label="描述" align="center" prop="mainDesc" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="120">
          <template slot-scope="scope">
            <el-button
              size="mini"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['project:gift:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              class="btn-delete"
              v-hasPermi="['project:gift:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
    </div>

    <!-- 添加或修改礼品卡对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="套餐名称" prop="title">
              <el-input v-model="form.title" placeholder="请输入套餐名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="单位" prop="unit">
              <el-input v-model="form.unit" placeholder="请输入单位" />
            </el-form-item>
          </el-col>
        </el-row>

        <el-row>
          <el-col :span="12">
            <el-form-item label="价格" prop="price">
              <el-input-number
                v-model="form.price"
                :precision="2"
                :min="0"
                placeholder="请输入价格"
                style="width: 100%"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="划线价" prop="underlinePrice">
              <el-input-number
                v-model="form.underlinePrice"
                :precision="2"
                :min="0"
                placeholder="请输入划线价"
                style="width: 100%"
              />
            </el-form-item>
          </el-col>
        </el-row>

        <el-form-item label="商品主图" prop="mainImages">
          <multi-image-upload
            :main-images.sync="form.mainImages"
            :limit="5"
            :return-url="true"
          />
          <div class="form-tip">最多可上传5张图片，每张图片可以设置名称</div>
        </el-form-item>

        <el-form-item label="商品描述" prop="mainDesc">
          <el-input
            v-model="form.mainDesc"
            type="textarea"
            :rows="4"
            placeholder="请输入商品描述"
            :disabled="false"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listGift, getGift, addGift, updateGift, delGift } from "@/api/gift";
import MultiImageUpload from "@/components/MultiImageUpload";

export default {
  name: "Gift",
  components: {
    MultiImageUpload
  },
  dicts: [],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: false,
      // 总条数
      total: 0,
      // 礼品卡表格数据
      giftList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 日期范围
      dateRange: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "套餐名称不能为空", trigger: "blur" }
        ],
        price: [
          { required: true, message: "价格不能为空", trigger: "blur" }
        ],
        underlinePrice: [
          { required: true, message: "划线价不能为空", trigger: "blur" }
        ],
        unit: [
          { required: true, message: "单位不能为空", trigger: "blur" }
        ],
        mainImages: [
          { required: true, message: "请至少上传一张商品主图", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询礼品卡列表 */
    async getList() {
      this.loading = true;
      try {
        const response = await listGift(this.queryParams);
        console.log("response ---- ", response);

        // 处理图片数据
        const gifts = response.rows || [];
        for (let gift of gifts) {
          if (gift.mainImages && gift.mainImages.trim() !== '') {
            try {
              let imageData = [];

              if (typeof gift.mainImages === 'string') {
                // 根据实际数据格式处理
                if (gift.mainImages.startsWith('[') || gift.mainImages.startsWith('{')) {
                  // JSON 格式
                  imageData = JSON.parse(gift.mainImages);
                } else {
                  // 逗号分隔的 URL 字符串，直接使用 URL
                  const urls = gift.mainImages.split(',').filter(url => url.trim());
                  const names = gift.mainDesc ? gift.mainDesc.split(',') : [];

                  imageData = urls.map((url, index) => ({
                    url: url.trim(), // 直接使用 URL
                    name: names[index] ? names[index].trim() : `图片${index + 1}`
                  }));
                }
              } else if (Array.isArray(gift.mainImages)) {
                imageData = gift.mainImages;
              }

              // 直接使用图片数据，不再调用 OSS 接口
              gift.mainImages = imageData;

            } catch (error) {
              gift.mainImages = [];
            }
          } else {
            gift.mainImages = [];
          }
        }

        this.giftList = gifts;
        this.total = response.total;
      } catch (error) {
        this.$modal.msgError("获取礼品卡列表失败");
      } finally {
        this.loading = false;
      }
    },

    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },

    // 表单重置
    reset() {
      this.form = {
        title: undefined,
        mainImages: undefined,
        mainDesc: undefined,
        price: undefined,
        underlinePrice: undefined,
        unit: undefined,
      };
      this.resetForm("form");
    },

    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },

    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },

    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加礼品套餐";
    },

    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.single = selection.length != 1;
      this.multiple = !selection.length;
    },

    /** 修改按钮操作 */
    async handleUpdate(row) {
      this.reset();
      const giftId = row.id || this.ids[0];
      console.log("giftId 11----- ",giftId)
      try {
        const response = await getGift(giftId);
        console.log("response 11----- ",response)
        this.form = response.data;

        this.open = true;
        this.title = "修改礼品套餐";
      } catch (error) {
        this.$modal.msgError("获取礼品套餐详情失败");
      }
    },

    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(async (valid) => {
        if (valid) {
          console.log("提交数据1 --:", this.form);
          try {
            // 处理图片数据，只保存必要信息
            if (this.form.id != undefined) {
              await updateGift(this.form);
              this.$modal.msgSuccess("修改成功");
            } else {
              await addGift(this.form);
              this.$modal.msgSuccess("新增成功");
            }
            this.open = false;
            this.getList();
          } catch (error) {
            console.error('提交失败:', error);
            this.$modal.msgError("操作失败");
          }
        }
      });
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      const giftIds = row.id || this.ids;
      this.$modal.confirm('是否确认删除？').then(() => {
        return delGift(giftIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },

    /** 刷新缓存按钮操作 */
    handleRefreshCache() {
      this.$modal.msgSuccess("刷新成功");
    }
  }
};
</script>

<style scoped>
.image-gallery {
  display: flex;
  align-items: center;
  gap: 5px;
}

.image-item-small {
  position: relative;
  width: 50px;
  height: 50px;
}

.table-image {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}

.image-name-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 10px;
  padding: 2px;
  text-align: center;
  border-radius: 0 0 4px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.more-images {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #f5f7fa;
  border: 1px dashed #d9d9d9;
  border-radius: 4px;
  font-size: 12px;
  color: #909399;
}

.form-tip {
  font-size: 12px;
  color: #909399;
  margin-top: 5px;
}

.image-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #f5f7fa;
  color: #909399;
  font-size: 14px;
}
</style>
